#include<bits/stdc++.h>
using namespace std;
int n,a[100020],t;
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>t;
        a[t]++;
    }
    int ma=0;
    for(int i=1;i<=100010;i++)
        ma=max(ma,a[i]);
    cout<<ma;
    return 0;
}
